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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /graphics/epix/plane.h
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+/*
+ * plane.h -- ePiX::Plane class
+ *
+ * This file is part of ePiX, a C++ library for creating high-quality
+ * figures in LaTeX
+ *
+ * Version 1.1.17
+ * Last Change: September 13, 2007
+ */
+
+/*
+ * Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ * Andrew D. Hwang <rot 13 nujnat at zngupf dot ubylpebff dot rqh>
+ * Department of Mathematics and Computer Science
+ * College of the Holy Cross
+ * Worcester, MA, 01610-2395, USA
+ */
+
+/*
+ * ePiX is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * ePiX is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with ePiX; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef EPIX_PLANE
+#define EPIX_PLANE
+
+#include "triples.h"
+
+namespace ePiX {
+
+ class Circle;
+ class Plane;
+ class Segment;
+ class Sphere;
+
+ class Plane {
+ public:
+ Plane(const P& pt=P(0,0,0), const P& perp=E_3);
+ Plane(const P&, const P&, const P&);
+
+ P pt() const;
+ P perp() const;
+ bool malformed() const;
+
+ // affine operations
+ Plane& shift(const P&);
+ Plane& move_to(const P&);
+
+ void draw() const;
+
+ private:
+ P m_pt;
+ P m_perp; // unit normal
+
+ bool m_malformed;
+ }; // end of Plane class
+
+ void plane(const P& pt=P(0,0,0), const P& perp=E_3);
+ void plane(const P&, const P&, const P&);
+
+} // end of namespace
+
+#endif /* EPIX_PLANE */